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Companyfounded in 2023

Mistral AI

Paris, France · official site ↗
6thout of 10Vibe, its assistant, Celsius score 40 out of 100
Measured models31 with a profile
Best on intelligence45th out of 71Mistral Large 4
Figure per question1.14 gCO2epublished by the company

Lineage

Assistant
Vibe
Model families
Mistral LargeMistral Medium
Headquarters and founding
Paris, France; founded in 2023
Leadership
Arthur Mensch, chief executive and co-founder; Guillaume Lample, chief scientist and co-founder

Founding and headquarters: Registre national des entreprises, Mistral AI (SIREN 952,418,325), 9 November 2026 ↗

Mistral AI's assistant

The assistants ranking →
VibeAssistant · Celsius score40out of 100, 6th out of 10Performance7Ethics41Environment72The assistant profile →

Mistral AI's models

Mistral AI's models, general intelligence and release date

Epoch AI ECI index and its 95% interval; 3 models released in 2026 and measured by the ECI index; 3 models measured in all, in the "Table" tab

MayJunJulAugSepOctNov140150General intelligence index (ECI)Mistral Large 4Mistral Large 4 PreviewMistral Medium 3.5

Dot: the index measured, at the release dateLine: the 95% interval

Sources: Epoch AI, "Capabilities & benchmarking", ECI index and APEX-Agents. CC BY 4.0 licence.

AI Impact, by Projet Celsius

An underlined name links to the model profile; the others are below the threshold for a profile (3 public measurements, or a place in the top 10 of a benchmark).

Governance and safety

Company governance
French company, European code signed in full; framework agreement with the Ministry of the Armed Forces with no published limit (1/2026).
Model safety
Last of the 9 companies rated by the Future of Life Institute (F, summer 2026); no published safety framework; Mistral Large 3, worst resistance to jailbreaks in Phare (24.9%, 7/2026).

Electricity and environmental approach

Decarbonised electricity
Data hosted in the European Union by default (210 g CO₂e/kWh); data centre in Essonne announced.
Company's environmental approach
Only life cycle assessment published by an AI company (2025), never updated; no corporate report.

Methodology: the ranking criteria ; the electricity use of a task for its models is a Projet Celsius estimate, based on the electricity use ofwriting 1,000 tokens (AI Impact Database).

Scores and facts: assistants ranking, scores as of 11/11/2026 (methodology 1.1), sources on the Vibe page. Models: Epoch AI (CC BY 4.0).

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